1. Santé publique France, Saint-Maurice, France
2. Centre National de Référence des Escherichia coli, Shigella et Salmonella, Institut Pasteur, Paris, France
3. National Centre for Microbiology, CIBER Epidemiologia y Salud Publica, Instituto de Salud Carlos III, Madrid, Spain
4. National Centre for Epidemiology, CIBER Epidemiologia y Salud Publica, Instituto de Salud Carlos III, Madrid, Spain
5. Directorate of the Ministry of Economy in charge of consumers’ affairs, Paris, France
6. Department of Microbiology, Laboratoire National de Santé, Dudelange, Luxembourg
7. National Reference Centre for Salmonella and Shigella, Sciensano, Brussels, Belgium
8. Direction Santé et Aide aux Personnes, Commission Communautaire Commune, Brussels, Belgium
9. French Ministry of Health, Paris, France